Finding the Fourth Proportional to 1,306,504.14, 1,959,755.28 and 408,022.87
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Solution
The fourth proportional to 1,306,504.14, 1,959,755.28 and 408,022.87 is: 612,034.01
Step by Step Solution
- Step 1: Write the proportion equation
1,306,504.14 : 1,959,755.28 = 408,022.87 : x - Step 2: Convert to fraction form
1,306,504.14/1,959,755.28 = 408,022.87/x - Step 3: Cross multiply
1,306,504.14x = 1,959,755.28 × 408,022.87 - Step 4: Simplify right side
1,306,504.14x = 799,624,973,843.25 - Step 5: Solve for x
x = 799,624,973,843.25/1,306,504.14 - Step 6: Final answer
x = 612,034.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.